Abstract:
The invention relates to a method for producing diphenylphosphine oxide (DPPO) or its nucleus-substituted derivatives, diphenylphosphine (DPP) or its nucleus-substituted derivatives or phosphine (PP) or its nucleus-substituted derivatives, starting from triphenylphosphine oxide (TPPO) or the corresponding nucleus-substituted derivatives, or in the case of the production of DPP and PP, starting from triphenylphosphine (TPP) or the corresponding nucleus-substituted derivatives or DPPO. According to said method, the starting products are reduced electrochemically in the presence of ammonia or an amine.
Abstract:
Disclosed is a method for producing aminodihalophosphines, diaminohalophosphines, triaminophosphines, phosphite diamides, aminophosphines, diaminophosphines, phosphite amide halogenides, and aminophosphine halogenides by separating an acid in the presence of an auxiliary base. Said auxiliary base b) forms a salt with an acid, which is liquid at temperatures at which the valuable product is not significantly decomposed during separation of the liquid salt, and c) the salt of the auxiliary base and the valuable product or the solution of the valuable product form two immiscible phases in a suitable solvent.
Abstract:
Phosphorous chelate compounds (I) are new. Phosphorous chelate compounds (I) of formula (R1>-P(R2>)-(X)a-Y1>-(O)b-P-((O)c-Rgamma )-(O)d-Rdelta ) are new. either R1>, R2>5-7 membered heterocyclic groups that are bonded over N atom to P atom; or PR1>R2>5-7 membered heterocycle additionally contains optionally substituted N atom and a further under oxygen and optionally substituted N atoms that are bonded directly to P atom; either Rgamma , Rdelta : akyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl (all substituted with 1-5 of cycloalkyl, heterocycloalkyl, aryl, hetaryl, alkoxy, cycloalkoxy, heterocycloalkoxy, aryloxy, hetaryloxy, hydroxy, thiol, polyalkylenoxide, polyalkylenimine, COOH, carboxylate, SO3H, sulfonate, NE1>E2>, NE1>E2>E3>X-, halo, NO2, acyl or CN); or PRgamma Rdelta , ORgamma Rdelta : 5-8 membered heterocycle optionally annealed with 1-3 of cycloalkyl, heterocycloalkyl, aryl or hetaryl, where the heterocycle and optionally the annealed groups are substituted with 1-4 of alkyl, cycloalkyl, heterocycloalkyl, aryl, hetaryl, hydroxy, thiol, polyalkyleneoxide, polyalkylenimine, alkoxy, halo, COOH, carboxylate, SO3H, sulfonate, NE4>E5>, NE4>E5>E6>+>X->, NO2, alkoxycarbonyl, acyl or CN; E4>, E5>, E6>H, alkyl, cycloalkyl or aryl; X : O, S, SiReRf or NRg; Re, Rf, Rg : H, alkyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl; X->anion; Y1>bivalent carbon containing bridge atoms; and a-d : 0-1 (where at least one of b, c or d is 1). Independent claims are also included for: (1) catalyst comprising at least one complex with a transition metal, as ligands of (I); (2) preparation of chiral compounds comprising reacting prochiral compounds containing at least ethylenic unsaturated double bond, with a substrate in the presence of a chiral catalyst; (3) a method for hydroformylation of compounds containing at least ethylenic unsaturated double bond comprising reacting with carbon monoxide and hydrogen in the presence of hydroformylating catalyst; (4) preparation of 2-propylheptanol comprising subjecting butene or butene containing C4-hydrocarbon mixture of hydroformylation to obtain n-valeraldehyde containing hydroformylating products, optionally isolating hydroformylating products under n-valeraldehyde enriched groups, subjecting the obtained hydroformylating products and n-valeraldehyde enriched groups to aldol condensation, hydrogenating the products of aldol condensation, catalytically with hydrogen to alcohols and optionally subjecting the hydrogenation products to isolate 2-propylheptanol enriched groups; and (5) a method of hydroformylation of alpha -olefine and olefine with inner double bonds containing a composition, comprising reacting with carbon monoxide and hydrogen in the presence of hydroformylating catalyst in two-stage reaction system (where the first step comprises feeding an inlet containing olefin, carbon monoxide and hydrogen and converting partly catalytically; feeding and converting the discharge from the above step; and feeding the discharge from the second step with a stream obtained from non-reacted olefine and saturated hydrocarbons).
Abstract:
A process for hydrogenating nitrile functions present in organic compounds over at least one heterogeneous catalyst, in which the hydrogenation is carried out in the presence of an ionic liquid, is described.